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Siemens 3RB3036-2WD0

Name: 3RB3036-2WD0
Brand: Siemens
SKU: 3RB3036-2WD0
Price: 206.66 GBP
Availability: InStock

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£206.66 (ex. VAT)

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Marvo Stock ID MV-7BPL

HS Code 85364900

SKU 3RB3036-2WD0

Condition New unboxed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 300.00

Width (mm) 190.00

Height (mm) 150.00

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Specification & Description

Specification	Description
Part Number	3RB3036-2WD0
Alternative Part Number	3RB30362WD0
Manufacturer	Siemens
Product Type	Solid-state overload relay
Size	S2
Trip Class	CLASS 20E
Operating Voltage (Rated Value)	690 V
Operating Frequency (Rated Value)	50...60 Hz
Adjustable Current Range	20...80 A
Operating Current (Rated Value)	80 A
Operating Power	11...37 kW at 400 V, 50 Hz (3-phase motors); 15...55 kW at 500 V, 50 Hz; 18.5...75 kW at 690 V
Insulation Voltage	690 V with degree of pollution 3
Surge Voltage Resistance	6 kV
Thermal Current	60 A
Recovery Time	Typical 3 min after overload trip with automatic reset
Mounting Type	Contactor mounting
Dimensions (H x W x D)	99 mm x 55 mm x 104 mm
Auxiliary Contacts	1 NC (for contactor disconnection), 1 NO (for message "tripped")
Operating Current of Auxiliary Contacts (AC-15)	4 A at 24/110/120/125 V; 3 A at 230 V
Operating Current of Auxiliary Contacts (DC-13)	2 A at 24 V; 0.55 A at 60 V; 0.3 A at 110/125 V; 0.11 A at 220 V
Protection Class	IP20 on the front, IP00 of the terminal
Ambient Operating Temperature	-25...+60 °C
Installation Altitude	Maximum 2,000 m above sea level
Relative Humidity During Operation	10...95 %
Electromagnetic Compatibility	Various EMC standards met, including IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, etc.
Short-Circuit Protection	Fuse link required for main circuit protection
Connection Type	Screw-type terminals for main circuit, spring-loaded terminals for auxiliary/control circuit

The Siemens 3RB3036-2WD0 is a state-of-the-art electronic overload relay designed for motor protection. This component is part of the SIRIUS product line and is notable for its compact size S2, making it suitable for integration with contactors of the same size. It offers a broad adjustable current range of 20 to 80 A, ensuring versatility across various motor sizes and applications.

Crafted for efficiency, the 3RB3036-2WD0 features a power loss of only 4.6 W at rated current, contributing to a lower thermal footprint within control cabinets. The relay is equipped with screw-type terminals for the main circuit and spring-loaded terminals for the auxiliary circuit, facilitating a secure and maintenance-friendly connection.

With an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, the relay is robust against electrical disturbances. It also boasts an IP20 protection class on the front, providing a degree of protection against solid objects.

The 3RB3036-2WD0 is designed with an integrated auxiliary switch, one normally closed (NC) contact for contactor disconnection, and one normally open (NO) contact to signal when the relay is tripped. The operational current of the auxiliary contacts can handle up to 4 A at AC-15 and up to 2 A at DC-13, ensuring reliable performance in control circuits.

This overload relay is engineered with an electronic overload release, classified as CLASS 20E, which provides precise protection for motors by ensuring accurate tripping in the event of an overload. The device is also compliant with ATEX directive 2014/34/EU for use in potentially explosive atmospheres, highlighting its suitability for a wide range of industrial environments.

The 3RB3036-2WD0 is designed for flexibility in installation, with the ability to be mounted in any position and directly onto a contactor. Its dimensions are 99 mm in height, 55 mm in width, and 104 mm in depth, making it a compact solution for motor protection in space-constrained applications.

Overall, the Siemens 3RB3036-2WD0 overload relay is a reliable and efficient choice for safeguarding motors in industrial settings, offering both protection and ease of use in a compact form factor.

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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the function of this overload relay?

The overload relay is designed for motor protection and helps to prevent damage to electric motors caused by overloads. It operates by measuring the current flowing to the motor and tripping to cut off power if the current exceeds a pre-set limit.

Can this overload relay be mounted directly onto a contactor?

Yes, this overload relay is designed for contactor mounting, allowing for a compact and efficient setup within motor control systems.

What is the adjustable current range for this overload relay?

The adjustable current range for the overload relay is between 20 to 80 A, allowing it to be configured for the protection of motors with various current ratings.

What type of terminals does this overload relay have for the main and auxiliary circuits?

The overload relay features screw-type terminals for the main current circuit and spring-loaded terminals for the auxiliary and control current circuit.

What is the trip class of this overload relay?

The trip class of the overload relay is CLASS 20E, which defines its tripping characteristics and response time under overload conditions.

What are the dimensions of this overload relay?

The dimensions of the overload relay are 99 mm in height, 55 mm in width, and 104 mm in depth.

Is there a manual reset function available on this overload relay?

Yes, the overload relay comes with a manual reset function, as well as options for automatic and remote reset.

What is the insulation voltage rating for this overload relay?

The insulation voltage rating for the overload relay is 690 V with a degree of pollution 3, ensuring it can safely isolate electrical components within its rated voltage.

What is the operating temperature range for this overload relay?

The operating temperature range for the overload relay is from -25 to +60 °C, making it suitable for a variety of industrial environments.

Does this overload relay have any certifications for use in hazardous locations?

Yes, the overload relay has certifications for use in hazardous locations, ensuring it meets the necessary safety standards for such environments.

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Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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